FR814750A - Improvement in the construction of gas masks - Google Patents
Improvement in the construction of gas masksInfo
- Publication number
- FR814750A FR814750A FR814750DA FR814750A FR 814750 A FR814750 A FR 814750A FR 814750D A FR814750D A FR 814750DA FR 814750 A FR814750 A FR 814750A
- Authority
- FR
- France
- Prior art keywords
- improvement
- construction
- gas masks
- masks
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/006—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort with pumps for forced ventilation
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
LU814750X | 1935-12-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR814750A true FR814750A (en) | 1937-06-28 |
Family
ID=19733741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR814750D Expired FR814750A (en) | 1935-12-12 | 1936-12-10 | Improvement in the construction of gas masks |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR814750A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0241188A1 (en) * | 1986-04-03 | 1987-10-14 | Racal Safety Limited | Improvements in and relating to breathing apparatus |
US7380551B2 (en) | 2003-03-21 | 2008-06-03 | Tvi Corporation | Breathing apparatus |
US7647927B2 (en) | 2003-08-22 | 2010-01-19 | Wilcox Industries Corp. | Self-contained breathing system |
-
1936
- 1936-12-10 FR FR814750D patent/FR814750A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0241188A1 (en) * | 1986-04-03 | 1987-10-14 | Racal Safety Limited | Improvements in and relating to breathing apparatus |
US7380551B2 (en) | 2003-03-21 | 2008-06-03 | Tvi Corporation | Breathing apparatus |
US7543584B2 (en) | 2003-03-21 | 2009-06-09 | Interspiro, Inc. | Powered air purifying respirator system and breathing apparatus |
US7647927B2 (en) | 2003-08-22 | 2010-01-19 | Wilcox Industries Corp. | Self-contained breathing system |
US8113198B2 (en) | 2003-08-22 | 2012-02-14 | Wilcox Industries Corp. | Self-contained breathing system |
US8950401B2 (en) | 2003-08-22 | 2015-02-10 | Wilcox Industries Corp. | Self-contained breathing system |
US10130831B2 (en) | 2003-08-22 | 2018-11-20 | Patriot Life Support, Inc. | Self-contained breathing system |
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